Adding Tax Excluded column in Admin Orders

[MAX.C]

Hi,

In the backoffice, in View Order, 

I would like to know if it is possible to add a column for Tax Excluded and maybe also remove the column Refunded.

I could not find a setting in the admin panel.

If anyone knows the php file and its location, I believe I could modify it with the right instructions.

Thanks

[musicmaster]

As far as I can see it is the function renderView in \controllers\admin\AdminOrdersController.php

in combination with the template \admin\themes\default\template\controllers\orders\helpers\view\view.tpl

[MAX.C]

I have found both files. Thanks

Could you help me locate the lines to modify and the codes to add?